and that's exactly what we do in new york city. the fact that we have the lowest murder rate of any big city in the country says we know what we're doing. and we have it every year. we have had a reduction in murder rate virtually every single year for the last 20 years. >> as the leader of a huge city in america, new york city, what about the role of other people, our mental health professionals, law enforcement? >> all of that applies. >> what about gun owners and gun right supporters? what role do they have in this if there's to be a new dialogue? >> i think gun owners really have spoken. when you do the polling, most gun owners think that an assault weapons ban makes sense in this day and age. that study has been done again and again by both democratic and republican pollsters. and the trouble is that the nra is just never willing to have any restriction whatsoever, no matter how reasonable it is. the supreme court fortunately was. they said having reasonable restrictions is consistent with the constitution. >> does that dynami